Kingsport, TN has a population of 52,871 and is the 763rd largest city in the United States. The population density is 989 per sq mi which is 546% higher than the Tennessee average and 991% higher than the national average. The median age in Kingsport is 44 which is approximately 15% higher than the Tennessee average of 39. In Kingsport, 60% of the population over 15 years of age are married, 96% speak English and 2% speak Spanish. 63% of Kingsport residents were born in Tennessee, 34% were born out of state, 1% were born outside of the United States and 2% were foreign born.